3 years ago

Could someone help i'll give you 30 points just help due by midnight thanks

Mathematics

1 answer:

kap26 [50]3 years ago

4 0

For number 5. X=12.5 and for number 6. X=4

Hope this helps :)

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4 years ago

Simplify 25^ - 1/2 <br><br>Please explain! I know the answer is 1/5 but why?

lisov135 [29]

$(25)^{-\frac{1}{2} }$

When the exponent is negative, you have to make the number a fraction(1 over the number).

For example:

$25^{-2} = \frac{1}{25^{2} }$

$x^{-1} =\frac{1}{x^{1} }$

This gets rid of the negative, but it leaves the exponent

$(25)^{-\frac{1}{2}} = \frac{1}{25^{1/2}}$

When an exponent is a fraction, it is the square root.

For example:

$x^{\frac{1}{3}} = \sqrt[3]{x}$

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So...

$\frac{1}{25^{1/2}} = \frac{1}{\sqrt{25} } = \frac{1}{5}$

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4 years ago

23) A rhombus has diagonals of 20 m and 34 m. What is its area?

natulia [17]

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A=340m^2

Step-by-step explanation:

A=p times q divided by 2

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If brainiest is earned its greatly appreciated.

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Solve for r. /5 = -9

LekaFEV [45]

Answer:

R / 5 = -9

is that what u want if not i'll change it. :D

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4 years ago